diff --git a/Makefile b/Makefile
index e296ec1..26277e5 100644
--- a/Makefile
+++ b/Makefile
@@ -62,6 +62,7 @@ build:
 	cp -a ./pve-rs ./build
 	cp -a ./pmg-rs ./build
 	cp -a ./Proxmox ./build
+	cp defines.mk ./build
 	$(MAKE) BUILD_MODE=release -C build -f ../Makefile gen
 	mkdir -p ./build/pve-rs/Proxmox/Lib
 	mv ./build/Proxmox/Lib/PVE.pm ./build/pve-rs/Proxmox/Lib/PVE.pm
diff --git a/pmg-rs/Makefile b/pmg-rs/Makefile
index 405f6c9..5ecaf5f 100644
--- a/pmg-rs/Makefile
+++ b/pmg-rs/Makefile
@@ -1,3 +1,4 @@
+include ../defines.mk
 include /usr/share/dpkg/default.mk
 
 PACKAGE=libpmg-rs-perl
diff --git a/pve-rs/Makefile b/pve-rs/Makefile
index e22d1bb..7f54ccc 100644
--- a/pve-rs/Makefile
+++ b/pve-rs/Makefile
@@ -1,3 +1,4 @@
+include ../defines.mk
 include /usr/share/dpkg/default.mk
 
 PACKAGE=libpve-rs-perl